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I am trying to import a data frame into spark using Python's pyspark module. For this, I used Jupyter Notebook and executed the code shown in the screenshot below

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After that I want to run this in CMD so that I can save my python codes in text file and save as test.py (as python file). Then, I run that python file in CMD using python test.py command, below the screen shot:

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So my task previously worked, but after 3 or 4 hours later I again tried to execute the same process, with no changes made...Then unfortunately I got the following error message:

Can someone please explain why this has happened?

Many thanks in advance

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    First time when you executed your code, you might have executed it from the same location where your te.csv file was present.

    Are you executing this code in the same location as before? If not, then I suggest you put in and reference the absolute path of te.csv in your code. This should then run without a hitch.

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